Gen 2 to Gen 3 Hayabusa Full Exhaust Adapter Kit (sold separately) and muffler mounting bracket modification is required for Gen 3 Hayabusa (2022) fitment.

Includes a Spacer Kit (a $24.99 value) that allows a Gen 2 Hayabusa Penta-Carbon exhaust to be used on a Gen 1 Hayabusa (99-07) without any permanent modification. Spacer kit not required for Gen 2 models.

15" megaphone muffler

Show-polished finish

2.25" (57.2 mm) outlet permanent baffle

Larger diameter outlet provides increased exhaust flow

Maximized power gains on stock and modified engines

Distinctive look and aggressive sound

(optional noise suppressor sold separately)

Each muffler is hand fabricated into a distinctive penta-diamond shape

Muffler angles optimized for maximum ground clearance when cornering

Customize with over 100 different color combinations

Endcaps are produced by BST to ensure a perfect match to your wheels

No fairing modifications required

Aerospace quality, ultra lightweight stainless construction

Pre-installed 18mm bung for wideband O2 sensor

C44 eliminator plug available here to prevent FI light following O2 sensor removal

Includes (emissions/PAIR) block off cap for decel-pop reduction

3oz. tube of Permatex Ultra Copper® supplied with purchase

Includes Brock’s lifetime direct support package at no additional charge

Select from increased drivability/fuel mileage (pump gas) or race-proven (race fuel) track maps via our map support program at no additional charge

Click here to view logo plate color options

Click here to view installation instructions

Click here to view PAIR block-off instructions

Click here to view Penta-Carbon Frequently Asked Questions (FAQ)

Note: If used on a Gen 3 Hayabusa the muffler mounting bracket must be modified to provide clearance for the rear brake lever (follow link for instructions).